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The purpose of this study is to compare the subjective performance of two daily disposable contact lenses with respect to comfort and handling.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| BYO Daily, then MyDay | Other | Ultrafilcon B contact lenses, followed by stenfilcon A contact lenses. Each product worn bilaterally for 1 week in a daily wear, daily disposable modality. |
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| MyDay, then BYO Daily | Other | Stenfilcon A contact lenses, followed by ultrafilcon B contact lenses. Each product worn bilaterally for 1 week in a daily wear, daily disposable modality. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ultrafilcon B contact lens | Device | Silicone hydrogel contact lens CE-marked for daily disposable wear. Private-label versions may be used. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Initial Comfort | Initial Comfort will be assessed bilaterally by the participant at time of dispense. Initial Comfort will be graded on a 1-10 scale (10=cannot be felt, 1=painful). | Baseline |
| Measure | Description | Time Frame |
|---|---|---|
| End of Day Comfort | End of Day Comfort will be assessed by the participant as a retrospective, bilateral evaluation of 1 week of wear. End of Day Comfort will be graded on a 1-10 scale (10=cannot be felt, 1=painful). | Day 7 |
| Overall Comfort |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Joachim Nick, Dipl. Ing. | Alcon Research | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Alcon Investigative Site | Surrey | United Kingdom |
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| ID | Term |
|---|---|
| D009216 | Myopia |
| D012030 | Refractive Errors |
| ID | Term |
|---|---|
| D005128 | Eye Diseases |
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| Stenfilcon A contact lens | Device | Silicone hydrogel contact lens CE-marked for daily disposable wear. Private-label versions may be used. |
|
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Overall Comfort will be assessed by the participant as a retrospective, bilateral evaluation of 1 week of wear. Overall Comfort will be graded on a 1-10 scale (10=cannot be felt, 1=painful).
| Day 7 |
| Overall Handling at Time of Removal | Overall Handling at Time of Removal will be assessed by the participant as a retrospective, bilateral evaluation of 1 week of wear. Overall Handling at Time of Removal will be graded on a 1-10 scale (10=excellent, very easy; 1=unmanageable). | Day 7 |